65239
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- [ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}.at n=19A024389
- Number of compositions minus number of partitions: A011782(n) - A000041(n).at n=17A056823
- Numerators of n-th approximation of factorial (also called harmonic) expansion of the golden section phi:=(1+sqrt(5))/2.at n=7A131443
- a(n) = 137*n^2 - 4043*n + 27277.at n=37A267706
- Number of compositions (ordered partitions) of the n-th prime into distinct prime parts.at n=22A331901
- Prime numbersat n=6518